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Here’s why your trip to Artist Point will take a little longer

A 6-foot box culvert under the Mount Baker Highway east of Britton Road restricts stream flow and salmon runs on Squalicum Creek near Bellingham.
A 6-foot box culvert under the Mount Baker Highway east of Britton Road restricts stream flow and salmon runs on Squalicum Creek near Bellingham. Courtesy to The Bellingham Herald

Mount Baker Highway will be closed just east of the Bellingham city limits for the next several months, creating a long detour for late-season snow sports enthusiasts, summer hikers and backpackers.

It’s part of an $8.8 million Washington State Department of Transportation project to widen a culvert under the roadway at Squalicum Creek, to allow easier passage for migrating salmon.

Statewide efforts to boost stream flow are part of a 2013 court ruling that said the state must protect salmon runs under treaties with its Indigenous people.

A contract for the project hasn’t been awarded and details aren’t final, said WSDOT spokeswoman R. B. McKeon.

“Roughly, we expect this to begin in May and end in November,” McKeon told The Bellingham Herald in an email.

An online description of the project shows that Mount Baker Highway — called Sunset Drive in the Bellingham city limits and known officially as State Route 542 — will be closed between Britton Road and Noon Road.

A detour will send drivers on Hannegan Road and East Smith Road.

A map shows the proposed detour route around construction on the Mount Baker Highway.
A map shows the proposed detour route around construction on the Mount Baker Highway. Washington State Department of Transportation Courtesy to The Bellingham Herald

Local roads within the detour area will be open during construction and additional closures will restrict travel on Kelly, Van Wyck and Noon roads to discourage shortcuts.

No data was immediately available from WSDOT regarding daily traffic counts on Mount Baker Highway at Britton Road.

But Sunset Drive east of Orleans Street carried 25,000 cars daily in 2007, according to the Whatcom Council of Governments.

Mount Baker Highway is the primary route into the North Cascades for those heading to the Mt. Baker Ski Area, Artist Point and dozens of trailheads and campgrounds.

Robert Mittendorf
The Bellingham Herald
Robert Mittendorf covers civic issues, weather, traffic and how people are coping with the high cost of housing for The Bellingham Herald. A journalist since 1984, he also served 22 years as a volunteer firefighter for South Whatcom Fire Authority before retiring in 2025.
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